[oracle@localhost oracle]$ sqlplus urlworld/kh21@kh21

SQL*Plus: Release 8.1.6.0.0 - Production on Fri Mar 9 10:05:08 2001

(c) Copyright 1999 Oracle Corporation. All rights reserved.

ERROR:

ORA-12154: TNS:could not resolve service name

-------------------------------------------------

위와 같은 에러가 계속뜨네요...

"tnsnames.ora"설정값입니다.

# TNSNAMES.ORA Configuration File:/home/oracle/network/admin/tnsnames.ora

# Generated by Oracle configuration tools.

kh21 =

(DESCRIPTION =

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = TCP)(HOST = 111.111.111.111)(PORT = 1521))

)

(CONNECT_DATA =

(SERVICE_NAME = kh21)

)

)

EXTPROC_CONNECTION_DATA.LOCALDOMAIN =

(DESCRIPTION =

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))

)

(CONNECT_DATA =

(SID = PLSExtProc)

(PRESENTATION = RO)

)

)